instrumentation/events/lttng-module/compaction.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM compaction
   4
   5 #if !defined(LTTNG_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_COMPACTION_H
   7
   8 #include <lttng/tracepoint-event.h>
   9 #include <linux/types.h>
  10 #include <linux/version.h>
  11
  12 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)
  13
  14 LTTNG_TRACEPOINT_EVENT_CLASS(compaction_isolate_template,
  15
  16         TP_PROTO(unsigned long start_pfn,
  17                 unsigned long end_pfn,
  18                 unsigned long nr_scanned,
  19                 unsigned long nr_taken),
  20
  21         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
  22
  23         TP_FIELDS(
  24                 ctf_integer(unsigned long, start_pfn, start_pfn)
  25                 ctf_integer(unsigned long, end_pfn, end_pfn)
  26                 ctf_integer(unsigned long, nr_scanned, nr_scanned)
  27                 ctf_integer(unsigned long, nr_taken, nr_taken)
  28         )
  29 )
  30
  31 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  32
  33         mm_compaction_isolate_migratepages,
  34
  35         compaction_isolate_migratepages,
  36
  37         TP_PROTO(unsigned long start_pfn,
  38                 unsigned long end_pfn,
  39                 unsigned long nr_scanned,
  40                 unsigned long nr_taken),
  41
  42         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  43 )
  44
  45 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  46
  47         mm_compaction_isolate_freepages,
  48
  49         compaction_isolate_freepages,
  50
  51         TP_PROTO(unsigned long start_pfn,
  52                 unsigned long end_pfn,
  53                 unsigned long nr_scanned,
  54                 unsigned long nr_taken),
  55
  56         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  57 )
  58
  59 #else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) */
  60
  61 LTTNG_TRACEPOINT_EVENT_CLASS(compaction_isolate_template,
  62
  63         TP_PROTO(unsigned long nr_scanned,
  64                 unsigned long nr_taken),
  65
  66         TP_ARGS(nr_scanned, nr_taken),
  67
  68         TP_FIELDS(
  69                 ctf_integer(unsigned long, nr_scanned, nr_scanned)
  70                 ctf_integer(unsigned long, nr_taken, nr_taken)
  71         )
  72 )
  73
  74 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  75
  76         mm_compaction_isolate_migratepages,
  77
  78         compaction_isolate_migratepages,
  79
  80         TP_PROTO(unsigned long nr_scanned,
  81                 unsigned long nr_taken),
  82
  83         TP_ARGS(nr_scanned, nr_taken)
  84 )
  85
  86 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  87
  88         mm_compaction_isolate_freepages,
  89
  90         compaction_isolate_freepages,
  91
  92         TP_PROTO(unsigned long nr_scanned,
  93                 unsigned long nr_taken),
  94
  95         TP_ARGS(nr_scanned, nr_taken)
  96 )
  97
  98 #endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) */
  99
 100 #if LTTNG_KERNEL_RANGE(3,12,30, 3,13,0) || \
 101         LTTNG_KERNEL_RANGE(3,14,25, 3,15,0) || \
 102         (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0))
 103 LTTNG_TRACEPOINT_EVENT_CODE_MAP(mm_compaction_migratepages,
 104
 105         compaction_migratepages,
 106
 107         TP_PROTO(unsigned long nr_all,
 108                 int migrate_rc,
 109                 struct list_head *migratepages),
 110
 111         TP_ARGS(nr_all, migrate_rc, migratepages),
 112
 113         TP_locvar(
 114                 unsigned long nr_failed;
 115         ),
 116
 117         TP_code_pre(
 118                 tp_locvar->nr_failed = 0;
 119
 120                 {
 121                         struct list_head *page_lru;
 122
 123                         if (migrate_rc >= 0)
 124                                 tp_locvar->nr_failed = migrate_rc;
 125                         else
 126                                 list_for_each(page_lru, migratepages)
 127                                         tp_locvar->nr_failed++;
 128                 }
 129         ),
 130
 131         TP_FIELDS(
 132                 ctf_integer(unsigned long, nr_migrated, nr_all - tp_locvar->nr_failed)
 133                 ctf_integer(unsigned long, nr_failed, tp_locvar->nr_failed)
 134         ),
 135
 136         TP_code_post()
 137 )
 138 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 139 LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
 140
 141         compaction_migratepages,
 142
 143         TP_PROTO(unsigned long nr_migrated,
 144                 unsigned long nr_failed),
 145
 146         TP_ARGS(nr_migrated, nr_failed),
 147
 148         TP_FIELDS(
 149                 ctf_integer(unsigned long, nr_migrated, nr_migrated)
 150                 ctf_integer(unsigned long, nr_failed, nr_failed)
 151         )
 152 )
 153 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 154
 155 #endif /* LTTNG_TRACE_COMPACTION_H */
 156
 157 /* This part must be outside protection */
 158 #include <lttng/define_trace.h>